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synchronous digital hierarchy network
释义
synchronous digital hierarchy network
Encyclopedia
工学
传送网
释
synchronous digital hierarchy network
同步数字传送网
基于同步数字传送体系组建的传送网。由一些同步数字传送网元组成,在光纤上进行同步数字信息传输、复用和交叉连接的网络,实现网络管理、实时业务监控、不同厂商设备间的互通等功能,提高网络资源利用率。
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attention control training
attention deficit disorder
attention deficit hyperactive disorder
attention deficit hyperactivity disorder
attention development
attention economy
attention limit
attention span
attenuated live vaccine
attenuated rabbit-adapted classical swine fever vaccine
attenuated total reflectance Fourier transform infrared
attenuated total reflection
attenuated total reflection (ATR)
attenuated total reflection, ATR
attenuated total reflection infrared spectrometry
attenuated total reflection infrared spectrometry (ATRIR)
attenuated total reflection spectroscopy
attenuated vaccine
attenuation
attenuation coefficient
attenuation constant
attenuation curve
attenuation distance
attenuation distortion
attenuation factor
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